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Finding the Fourth Proportional to 5,865.13, 8,093.78 and 3,212.53

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Solution

The fourth proportional to 5,865.13, 8,093.78 and 3,212.53 is: 4,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.13 : 8,093.78 = 3,212.53 : x
  2. Step 2: Convert to fraction form
    5,865.13/8,093.78 = 3,212.53/x
  3. Step 3: Cross multiply
    5,865.13x = 8,093.78 × 3,212.53
  4. Step 4: Simplify right side
    5,865.13x = 26,001,495.85
  5. Step 5: Solve for x
    x = 26,001,495.85/5,865.13
  6. Step 6: Final answer
    x = 4,433.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.